Flora of North America species comparison

several from base, erect or decumbent (arising laterally, unbranched), 0.5–1.5 mm.

simple or few from base, prostrate or straggling to erect, (sometimes purplish, usually unbranched), (0.5–)1–2(–3) dm.

(petiole slender);

blade obovate to orbicular, 3–6 cm (width 10–20 mm), margins entire or dentate.

blade oblanceolate, 1.5–5(–7) cm, margins entire or shallowly dentate, (flat).

blade spatulate, 1–2 cm (width 3–6 mm), margins entire, (apex often acute).

blade elliptic to linear, (0.5–)1–2.5(–3) cm, margins usually entire.

congested.

(secund), dense, (elongated in fruit).

sepals narrowly lanceolate, 5–8(–9) mm;

petals narrowly oblanceolate, 9–12 mm, (claw undifferentiated from blade).

sepals elliptic or oblong, 4–6(–7) mm, (lateral pair subsaccate, median pair thickened apically, cucullate);

petals (often red or lavender when dried), obovate, 6–8.5(–9.5) mm, (narrowing to broad claw).

(divaricate, slightly sigmoid), 8–15 mm.

(usually sharply recurved, sometimes divaricate-spreading or nearly horizontal), 5–15(–20) mm, (stout).

(often purplish in age), didymous, subreniform, strongly inflated, 9–18 × 11–21(–30) mm, (papery, base obtuse to slightly cordate, apical sinus V-shaped or convex, open crests rounded);

valves (2-keeled on side away from replum, each 3-sided, keels rounded, sides flat or slightly convex, retaining seeds after dehiscence), evenly and densely pubescent;

replum oblong, as wide as or wider than fruits, apex obtuse;

ovules 4–12 per ovary;

style (4–)6–8 mm (exceeding sinus).

subglobose, obovoid, or broadly ellipsoid, slightly inflated, (3.5–)4–5.5(–6.5) mm;

valves densely pubescent outside, trichomes spreading or closely appressed, rarely sparsely pubescent inside;

ovules (4–)8(–10) per ovary;

style (slender), 3–5.5(–6.5) mm.

flattened.

slightly flattened.

= 8, 10, 16, 24.